It's so, so, so good! I walked away from it for several months, as I do with many books. But, it's drawing me back now. It pushes me more than some other books with its science/history/philosophy bent. I'd love to read it with a book club. In fact, I've never been in a book club! I'd like to try that out.
Books Are Our Superpower is great for articles about books.
If you are able to weave your personal experience in with writing about Underland, then that could be a fit for Age of Empathy. Looking forward to what you write no matter where you house it. :D